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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Granted6/2022/2397/EM

    Installation of area of hardstanding for a driveway in front garden, removal of section of hedge and small tree.

    33 Crossway Welwyn Garden City AL8 7ED

    Received 14 Oct 2022
  2. Decided - GrantedN6/2014/0857/FP

    Change of use of first floor office space (B1) to residential (C3)

    30 High Street Welwyn AL6 9EQ

    Received 16 Apr 2014
  3. Decided - RefusedS6/2009/1183/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND TWO STOREY REAR EXTENSION

    RIDGE HOUSE FARM, CATTLEGATE ROAD, NORTHAW, ENFIELD, HERTFORDSHIRE, EN2 8AU

    Received 3 Jun 2009
  4. Decided6/2026/0343/TC

    G1 4 no Hornbeam 1 Hazel to fell & remove. T2 Holly to fell to ground level. T3 Yew to reduce by 2m and shape. T4 T5 Hornbeam to reduce by 2.5m and shape. T1 Ash to cut back to boundary line.

    8 Densley Close Welwyn Garden City AL8 7JX

    Received 24 Feb 2026
  5. Decided - Granted6/2016/0247/EM

    Retention of the conversion of existing 3No. bedroom dwelling to two 2No. bedroom dwellings

    257 Heronswood Road, Welwyn Garden City, AL7 3JJ

    Received 4 Feb 2016
  6. Decided - GrantedW6/2015/0701/TE

    Reduce 2 Lime trees by upto 33%

    320 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 30 Mar 2015
  7. Decided - Granted6/2016/1808/LAWP

    Certificate of lawfulness for the proposed relocation of main entrance to school involving the replacement of windows to windows and doors, laying of hard-surfacing and removal of bushes.

    Applecroft Primary School, Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 5 Sept 2016
  8. Decided - Granted6/2024/1609/COND

    Submission of details pursuant of condition 13 and 36 (Ecological/Habitat/Biodiversity Enhancement) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City Hertfordshire AL7 3BQ

    Received 22 Aug 2024
  9. Decided - Refused6/2021/1369/EM

    Erection of rear extension, and garage conversion

    41 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 28 Apr 2021
  10. Decided - Granted6/2017/1727/HOUSE

    Erection of two storey gabled front extension. Render to front elevation and installation of roof tiles to front elevation following removal of existing

    27 Moffats Lane Brookmans Park Hatfield AL9 7RX

    Received 4 Aug 2017
  11. Decided - RefusedN6/2004/0535/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND ERECTION OF SINGLE STOREY FRONT EXTENSION TO FACILITATE THE CONVERSION OF GARAGE TO LIVING ACCOMODATION. ERECTION OF GARDEN SHED.

    19 Coneydale Welwyn Garden City AL8 7RX

    Received 13 Apr 2004
  12. Decided - Granted6/2018/2340/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory

    49 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 12 Sept 2018
  13. Decided - Granted6/2016/1420/VAR

    Variation of condition 2 (drawings) on planning permission S6/2014/1963/FP

    14 Northaw Road West, Northaw, Potters Bar, EN6 4NR

    Received 13 Jul 2016
  14. Decided - Refused6/2019/0918/HOUSE

    Formation of a new vehicular access following removal of existing close boarded boundary fence and erection of post and rail boundary fence and hedge with timber gate

    Northaw Place Coopers Lane Northaw

    Received 16 Apr 2019
  15. Decided - Withdrawn6/2019/0474/EM

    Change of use of front amenity land to residential, to facilitate expansion of existing driveway by 1m and installation of glass panels to existing flat roof

    1 Brockett Close Welwyn Garden City AL8 7BN

    Received 1 Mar 2019
  16. Decided - GrantedW6/2013/2011/EM

    Erection of single storey rear extension, first floor side extension and part garage conversion and replacement timber porch

    13 Reddings, Welwyn Garden City, AL8 7LA

    Received 20 Sept 2013
  17. Decided - Granted6/2016/1936/EM

    Erection of single storey, part two storey rear extension and alterations to openings

    214 Knightsfield Welwyn Garden City AL8 7RQ

    Received 13 Sept 2016
  18. Decided - Granted6/2022/2575/COND

    Submission of details pursuant to condition number 1 (Construction Management Statement) on planning permission 6/2021/1440/FULL

    18A Station Road Cuffley Potters Bar EN6 4HT

    Received 10 Nov 2022
  19. Decided6/2024/1856/TC

    1x Cherry to remove in sections to ground level

    16 Park Street Hatfield AL9 5AZ

    Received 26 Sept 2024
  20. Decided - GrantedS6/2004/0442/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    53 King James Avenue Cuffley Potters Bar EN6 4LN

    Received 17 Mar 2004
  21. Decided - Granted6/2024/2073/LAWP

    Certificate of lawfulness for a hip to gable loft conversion with rear dormer

    10 Ellenbrook Crescent Hatfield AL10 9RP

    Received 28 Oct 2024
  22. Decided - Granted6/2023/2216/EM

    Installation of 10 solar panels to the rear roof

    10 Graysfield Welwyn Garden City AL7 4BL

    Received 1 Nov 2023
  23. Decided - GrantedW6/2014/1653/TE

    Reduce growth of Lombardy Poplar by 40%

    21 Springfields, Welwyn Garden City, AL8 6XS

    Received 22 Jul 2014
  24. Decided - GrantedW6/2009/2758/EM

    ERECTION OF REAR EXTENSION

    182 BLYTHWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DU

    Received 18 Dec 2009

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

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